s3: Replace calls to check_access by allow_access
[nivanova/samba.git] / source3 / rpc_server / srv_spoolss_nt.c
index d33801e129dbc44b4db72591344666180daa5246..287c720c59edf9bf26f16a1ba2cb2983748948cf 100644 (file)
@@ -159,7 +159,9 @@ static int nt_printq_status(int v)
  Disconnect from the client
 ****************************************************************************/
 
-static void srv_spoolss_replycloseprinter(int snum, struct policy_handle *handle)
+static void srv_spoolss_replycloseprinter(
+       int snum, struct policy_handle *handle,
+       struct messaging_context *msg_ctx)
 {
        WERROR result;
        NTSTATUS status;
@@ -172,7 +174,7 @@ static void srv_spoolss_replycloseprinter(int snum, struct policy_handle *handle
        if (!print_notify_deregister_pid(snum))
                DEBUG(0,("print_notify_register_pid: Failed to register our pid for printer %s\n", lp_const_servicename(snum) ));
 
-       /* weird if the test succeds !!! */
+       /* weird if the test succeeds !!! */
        if (smb_connections==0) {
                DEBUG(0,("srv_spoolss_replycloseprinter:Trying to close non-existant notify backchannel !\n"));
                return;
@@ -189,17 +191,24 @@ static void srv_spoolss_replycloseprinter(int snum, struct policy_handle *handle
        if (smb_connections==1) {
 
                cli_shutdown( rpc_pipe_np_smb_conn(notify_cli_pipe) );
-               notify_cli_pipe = NULL; /* The above call shuts downn the pipe also. */
+               /*
+                * The above call shuts down the pipe also.
+                */
+               notify_cli_pipe = NULL;
 
-               messaging_deregister(smbd_messaging_context(),
-                                    MSG_PRINTER_NOTIFY2, NULL);
+               if (msg_ctx != NULL) {
+                       messaging_deregister(msg_ctx, MSG_PRINTER_NOTIFY2,
+                                            NULL);
 
-               /* Tell the connections db we're no longer interested in
-                * printer notify messages. */
+                       /*
+                        * Tell the serverid.tdb we're no longer
+                        * interested in printer notify messages.
+                        */
 
-               serverid_register_msg_flags(
-                       messaging_server_id(smbd_messaging_context()),
-                       false, FLAG_MSG_PRINT_NOTIFY);
+                       serverid_register_msg_flags(
+                               messaging_server_id(msg_ctx),
+                               false, FLAG_MSG_PRINT_NOTIFY);
+               }
        }
 
        smb_connections--;
@@ -216,12 +225,15 @@ static int printer_entry_destructor(Printer_entry *Printer)
 
                if ( Printer->printer_type == SPLHND_SERVER) {
                        snum = -1;
-                       srv_spoolss_replycloseprinter(snum, &Printer->notify.client_hnd);
+                       srv_spoolss_replycloseprinter(
+                               snum, &Printer->notify.client_hnd,
+                               Printer->notify.msg_ctx);
                } else if (Printer->printer_type == SPLHND_PRINTER) {
                        snum = print_queue_snum(Printer->sharename);
                        if (snum != -1)
-                               srv_spoolss_replycloseprinter(snum,
-                                               &Printer->notify.client_hnd);
+                               srv_spoolss_replycloseprinter(
+                                       snum, &Printer->notify.client_hnd,
+                                       Printer->notify.msg_ctx);
                }
        }
 
@@ -279,7 +291,9 @@ static bool close_printer_handle(struct pipes_struct *p, struct policy_handle *h
  Delete a printer given a handle.
 ****************************************************************************/
 
-static WERROR delete_printer_hook(TALLOC_CTX *ctx, NT_USER_TOKEN *token, const char *sharename)
+static WERROR delete_printer_hook(TALLOC_CTX *ctx, NT_USER_TOKEN *token,
+                                 const char *sharename,
+                                 struct messaging_context *msg_ctx)
 {
        char *cmd = lp_deleteprinter_cmd();
        char *command = NULL;
@@ -310,8 +324,7 @@ static WERROR delete_printer_hook(TALLOC_CTX *ctx, NT_USER_TOKEN *token, const c
 
        if ( (ret = smbrun(command, NULL)) == 0 ) {
                /* Tell everyone we updated smb.conf. */
-               message_send_all(smbd_messaging_context(),
-                                MSG_SMB_CONF_UPDATED, NULL, 0, NULL);
+               message_send_all(msg_ctx, MSG_SMB_CONF_UPDATED, NULL, 0, NULL);
        }
 
        if ( is_print_op )
@@ -328,7 +341,7 @@ static WERROR delete_printer_hook(TALLOC_CTX *ctx, NT_USER_TOKEN *token, const c
 
        /* go ahead and re-read the services immediately */
        become_root();
-       reload_services(false);
+       reload_services(msg_ctx, smbd_server_fd(), false);
        unbecome_root();
 
        if ( lp_servicenumber( sharename )  > 0 )
@@ -368,14 +381,14 @@ static WERROR delete_printer_handle(struct pipes_struct *p, struct policy_handle
           done on the handle already */
 
        result = winreg_delete_printer_key(p->mem_ctx, p->server_info,
-                                          Printer->sharename, "");
+                                          p->msg_ctx, Printer->sharename, "");
        if (!W_ERROR_IS_OK(result)) {
                DEBUG(3,("Error deleting printer %s\n", Printer->sharename));
                return WERR_BADFID;
        }
 
        return delete_printer_hook(p->mem_ctx, p->server_info->ptok,
-                                  Printer->sharename );
+                                  Printer->sharename, p->msg_ctx);
 }
 
 /****************************************************************************
@@ -442,6 +455,7 @@ static bool set_printer_hnd_printertype(Printer_entry *Printer, const char *hand
 
 static bool set_printer_hnd_name(TALLOC_CTX *mem_ctx,
                                 struct auth_serversupplied_info *server_info,
+                                struct messaging_context *msg_ctx,
                                 Printer_entry *Printer,
                                 const char *handlename)
 {
@@ -526,6 +540,7 @@ static bool set_printer_hnd_name(TALLOC_CTX *mem_ctx,
 
                result = winreg_get_printer(mem_ctx,
                                            server_info,
+                                           msg_ctx,
                                            servername,
                                            sname,
                                            &info2);
@@ -596,7 +611,8 @@ static bool open_printer_hnd(struct pipes_struct *p, struct policy_handle *hnd,
                return false;
        }
 
-       if (!set_printer_hnd_name(p->mem_ctx, p->server_info, new_printer, name)) {
+       if (!set_printer_hnd_name(p->mem_ctx, p->server_info, p->msg_ctx,
+                                 new_printer, name)) {
                close_printer_handle(p, hnd);
                return false;
        }
@@ -1266,7 +1282,8 @@ static void receive_notify2_message_list(struct messaging_context *msg,
  driver
  ********************************************************************/
 
-static bool srv_spoolss_drv_upgrade_printer(const char *drivername)
+static bool srv_spoolss_drv_upgrade_printer(const char *drivername,
+                                           struct messaging_context *msg_ctx)
 {
        int len = strlen(drivername);
 
@@ -1276,8 +1293,7 @@ static bool srv_spoolss_drv_upgrade_printer(const char *drivername)
        DEBUG(10,("srv_spoolss_drv_upgrade_printer: Sending message about driver upgrade [%s]\n",
                drivername));
 
-       messaging_send_buf(smbd_messaging_context(),
-                          messaging_server_id(smbd_messaging_context()),
+       messaging_send_buf(msg_ctx, messaging_server_id(msg_ctx),
                           MSG_PRINTER_DRVUPGRADE,
                           (uint8_t *)drivername, len+1);
 
@@ -1332,7 +1348,8 @@ void do_drv_upgrade_printer(struct messaging_context *msg,
                        continue;
                }
 
-               result = winreg_get_printer(tmp_ctx, server_info, NULL,
+               result = winreg_get_printer(tmp_ctx, server_info, msg,
+                                           NULL,
                                            lp_const_servicename(snum),
                                            &pinfo2);
 
@@ -1353,6 +1370,7 @@ void do_drv_upgrade_printer(struct messaging_context *msg,
                /* all we care about currently is the change_id */
                result = winreg_printer_update_changeid(tmp_ctx,
                                                        server_info,
+                                                       msg,
                                                        pinfo2->printername);
 
                if (!W_ERROR_IS_OK(result)) {
@@ -1372,7 +1390,7 @@ done:
  connection
  ********************************************************************/
 
-void update_monitored_printq_cache( void )
+void update_monitored_printq_cache(struct messaging_context *msg_ctx)
 {
        Printer_entry *printer = printers_list;
        int snum;
@@ -1385,7 +1403,7 @@ void update_monitored_printq_cache( void )
                        && printer->notify.client_connected )
                {
                        snum = print_queue_snum(printer->sharename);
-                       print_queue_status( snum, NULL, NULL );
+                       print_queue_status(msg_ctx, snum, NULL, NULL );
                }
 
                printer = printer->next;
@@ -1624,7 +1642,8 @@ WERROR _spoolss_OpenPrinterEx(struct pipes_struct *p,
 
                /* check smb.conf parameters and the the sec_desc */
 
-               if ( !check_access(get_client_fd(), lp_hostsallow(snum), lp_hostsdeny(snum)) ) {
+               if (!allow_access(lp_hostsdeny(snum), lp_hostsallow(snum),
+                                 p->client_id->name, p->client_id->addr)) {
                        DEBUG(3, ("access DENIED (hosts allow/deny) for printer open\n"));
                        ZERO_STRUCTP(r->out.handle);
                        return WERR_ACCESS_DENIED;
@@ -1632,7 +1651,7 @@ WERROR _spoolss_OpenPrinterEx(struct pipes_struct *p,
 
                if (!user_ok_token(uidtoname(p->server_info->utok.uid), NULL,
                                   p->server_info->ptok, snum) ||
-                   !print_access_check(p->server_info, snum,
+                   !print_access_check(p->server_info, p->msg_ctx, snum,
                                        r->in.access_mask)) {
                        DEBUG(3, ("access DENIED for printer open\n"));
                        close_printer_handle(p, r->out.handle);
@@ -1657,6 +1676,7 @@ WERROR _spoolss_OpenPrinterEx(struct pipes_struct *p,
 
                winreg_create_printer(p->mem_ctx,
                                      p->server_info,
+                                     p->msg_ctx,
                                      Printer->servername,
                                      lp_const_servicename(snum));
 
@@ -1748,6 +1768,7 @@ WERROR _spoolss_DeletePrinter(struct pipes_struct *p,
        if (get_printer_snum(p, r->in.handle, &snum, NULL)) {
                winreg_delete_printer_key(p->mem_ctx,
                                          p->server_info,
+                                         p->msg_ctx,
                                          lp_const_servicename(snum),
                                          "");
        }
@@ -1821,7 +1842,7 @@ WERROR _spoolss_DeletePrinterDriver(struct pipes_struct *p,
        if ((version = get_version_id(r->in.architecture)) == -1)
                return WERR_INVALID_ENVIRONMENT;
 
-       status = winreg_get_driver(p->mem_ctx, p->server_info,
+       status = winreg_get_driver(p->mem_ctx, p->server_info, p->msg_ctx,
                                   r->in.architecture, r->in.driver,
                                   version, &info);
        if (!W_ERROR_IS_OK(status)) {
@@ -1831,6 +1852,7 @@ WERROR _spoolss_DeletePrinterDriver(struct pipes_struct *p,
                        version = 3;
 
                        status = winreg_get_driver(p->mem_ctx, p->server_info,
+                                                  p->msg_ctx,
                                                   r->in.architecture,
                                                   r->in.driver,
                                                   version, &info);
@@ -1847,13 +1869,15 @@ WERROR _spoolss_DeletePrinterDriver(struct pipes_struct *p,
 
        }
 
-       if (printer_driver_in_use(p->mem_ctx, p->server_info, info)) {
+       if (printer_driver_in_use(p->mem_ctx, p->server_info, p->msg_ctx,
+                                 info)) {
                status = WERR_PRINTER_DRIVER_IN_USE;
                goto done;
        }
 
        if (version == 2) {
                status = winreg_get_driver(p->mem_ctx, p->server_info,
+                                          p->msg_ctx,
                                           r->in.architecture,
                                           r->in.driver, 3, &info_win2k);
                if (W_ERROR_IS_OK(status)) {
@@ -1862,6 +1886,7 @@ WERROR _spoolss_DeletePrinterDriver(struct pipes_struct *p,
 
                        status = winreg_del_driver(p->mem_ctx,
                                                   p->server_info,
+                                                  p->msg_ctx,
                                                   info_win2k, 3);
                        talloc_free(info_win2k);
 
@@ -1872,7 +1897,8 @@ WERROR _spoolss_DeletePrinterDriver(struct pipes_struct *p,
                }
        }
 
-       status = winreg_del_driver(p->mem_ctx, p->server_info, info, version);
+       status = winreg_del_driver(p->mem_ctx, p->server_info, p->msg_ctx,
+                                  info, version);
 
 done:
        talloc_free(info);
@@ -1918,8 +1944,8 @@ WERROR _spoolss_DeletePrinterDriverEx(struct pipes_struct *p,
                version = r->in.version;
 
        status = winreg_get_driver(p->mem_ctx, p->server_info,
-                                  r->in.architecture, r->in.driver,
-                                  version, &info);
+                                  p->msg_ctx, r->in.architecture,
+                                  r->in.driver, version, &info);
        if (!W_ERROR_IS_OK(status)) {
                status = WERR_UNKNOWN_PRINTER_DRIVER;
 
@@ -1935,7 +1961,7 @@ WERROR _spoolss_DeletePrinterDriverEx(struct pipes_struct *p,
                /* try for Win2k driver if "Windows NT x86" */
 
                version = 3;
-               status = winreg_get_driver(info, p->server_info,
+               status = winreg_get_driver(info, p->server_info, p->msg_ctx,
                                           r->in.architecture,
                                           r->in.driver,
                                           version, &info);
@@ -1945,7 +1971,7 @@ WERROR _spoolss_DeletePrinterDriverEx(struct pipes_struct *p,
                }
        }
 
-       if (printer_driver_in_use(info, p->server_info, info)) {
+       if (printer_driver_in_use(info, p->server_info, p->msg_ctx, info)) {
                status = WERR_PRINTER_DRIVER_IN_USE;
                goto done;
        }
@@ -1968,7 +1994,8 @@ WERROR _spoolss_DeletePrinterDriverEx(struct pipes_struct *p,
 
        if (delete_files &&
            (r->in.delete_flags & DPD_DELETE_ALL_FILES) &&
-           printer_driver_files_in_use(info, p->server_info, info)) {
+           printer_driver_files_in_use(info, p->server_info, p->msg_ctx,
+                                       info)) {
                /* no idea of the correct error here */
                status = WERR_ACCESS_DENIED;
                goto done;
@@ -1978,7 +2005,7 @@ WERROR _spoolss_DeletePrinterDriverEx(struct pipes_struct *p,
        /* also check for W32X86/3 if necessary; maybe we already have? */
 
        if ( (version == 2) && ((r->in.delete_flags & DPD_DELETE_SPECIFIC_VERSION) != DPD_DELETE_SPECIFIC_VERSION)  ) {
-               status = winreg_get_driver(info, p->server_info,
+               status = winreg_get_driver(info, p->server_info, p->msg_ctx,
                                           r->in.architecture,
                                           r->in.driver, 3, &info_win2k);
                if (W_ERROR_IS_OK(status)) {
@@ -1986,6 +2013,7 @@ WERROR _spoolss_DeletePrinterDriverEx(struct pipes_struct *p,
                        if (delete_files &&
                            (r->in.delete_flags & DPD_DELETE_ALL_FILES) &&
                            printer_driver_files_in_use(info, p->server_info,
+                                                       p->msg_ctx,
                                                        info_win2k)) {
                                /* no idea of the correct error here */
                                talloc_free(info_win2k);
@@ -1997,7 +2025,7 @@ WERROR _spoolss_DeletePrinterDriverEx(struct pipes_struct *p,
                        /* remove the Win2k driver first*/
 
                        status = winreg_del_driver(info, p->server_info,
-                                                  info_win2k, 3);
+                                                  p->msg_ctx, info_win2k, 3);
 
                        /* this should not have failed---if it did, report to client */
 
@@ -2017,7 +2045,8 @@ WERROR _spoolss_DeletePrinterDriverEx(struct pipes_struct *p,
                }
        }
 
-       status = winreg_del_driver(info, p->server_info, info, version);
+       status = winreg_del_driver(info, p->server_info, p->msg_ctx, info,
+                                  version);
        if (!W_ERROR_IS_OK(status)) {
                goto done;
        }
@@ -2224,7 +2253,7 @@ static bool spoolss_connect_to_client(struct rpc_pipe_client **pp_pipe,
                        addr));
        }
 
-       if (ismyaddr((struct sockaddr *)&rm_addr)) {
+       if (ismyaddr((struct sockaddr *)(void *)&rm_addr)) {
                DEBUG(0,("spoolss_connect_to_client: Machine %s is one of our addresses. Cannot add to ourselves.\n",
                        addr));
                return false;
@@ -2273,7 +2302,8 @@ static bool spoolss_connect_to_client(struct rpc_pipe_client **pp_pipe,
 static bool srv_spoolss_replyopenprinter(int snum, const char *printer,
                                        uint32_t localprinter, uint32_t type,
                                        struct policy_handle *handle,
-                                       struct sockaddr_storage *client_ss)
+                                       struct sockaddr_storage *client_ss,
+                                       struct messaging_context *msg_ctx)
 {
        WERROR result;
        NTSTATUS status;
@@ -2290,14 +2320,12 @@ static bool srv_spoolss_replyopenprinter(int snum, const char *printer,
                if ( !spoolss_connect_to_client( &notify_cli_pipe, client_ss, unix_printer ))
                        return false;
 
-               messaging_register(smbd_messaging_context(), NULL,
-                                  MSG_PRINTER_NOTIFY2,
+               messaging_register(msg_ctx, NULL, MSG_PRINTER_NOTIFY2,
                                   receive_notify2_message_list);
                /* Tell the connections db we're now interested in printer
                 * notify messages. */
-               serverid_register_msg_flags(
-                       messaging_server_id(smbd_messaging_context()),
-                       true, FLAG_MSG_PRINT_NOTIFY);
+               serverid_register_msg_flags(messaging_server_id(msg_ctx),
+                                           true, FLAG_MSG_PRINT_NOTIFY);
        }
 
        /*
@@ -2407,6 +2435,7 @@ WERROR _spoolss_RemoteFindFirstPrinterChangeNotifyEx(struct pipes_struct *p,
        Printer->notify.flags           = r->in.flags;
        Printer->notify.options         = r->in.options;
        Printer->notify.printerlocal    = r->in.printer_local;
+       Printer->notify.msg_ctx         = p->msg_ctx;
 
        TALLOC_FREE(Printer->notify.option);
        Printer->notify.option = dup_spoolss_NotifyOption(Printer, option);
@@ -2422,16 +2451,17 @@ WERROR _spoolss_RemoteFindFirstPrinterChangeNotifyEx(struct pipes_struct *p,
                return WERR_BADFID;
 
        DEBUG(10,("_spoolss_RemoteFindFirstPrinterChangeNotifyEx: "
-               "client_address is %s\n", p->client_address));
+               "client_address is %s\n", p->client_id->addr));
 
-       if (!interpret_string_addr(&client_ss, p->client_address,
+       if (!interpret_string_addr(&client_ss, p->client_id->addr,
                                   AI_NUMERICHOST)) {
                return WERR_SERVER_UNAVAILABLE;
        }
 
        if(!srv_spoolss_replyopenprinter(snum, Printer->notify.localmachine,
                                        Printer->notify.printerlocal, 1,
-                                       &Printer->notify.client_hnd, &client_ss))
+                                       &Printer->notify.client_hnd,
+                                       &client_ss, p->msg_ctx))
                return WERR_SERVER_UNAVAILABLE;
 
        Printer->notify.client_connected = true;
@@ -2443,7 +2473,8 @@ WERROR _spoolss_RemoteFindFirstPrinterChangeNotifyEx(struct pipes_struct *p,
  * fill a notify_info_data with the servername
  ********************************************************************/
 
-static void spoolss_notify_server_name(int snum,
+static void spoolss_notify_server_name(struct messaging_context *msg_ctx,
+                                      int snum,
                                       struct spoolss_Notify *data,
                                       print_queue_struct *queue,
                                       struct spoolss_PrinterInfo2 *pinfo2,
@@ -2456,7 +2487,8 @@ static void spoolss_notify_server_name(int snum,
  * fill a notify_info_data with the printername (not including the servername).
  ********************************************************************/
 
-static void spoolss_notify_printer_name(int snum,
+static void spoolss_notify_printer_name(struct messaging_context *msg_ctx,
+                                       int snum,
                                        struct spoolss_Notify *data,
                                        print_queue_struct *queue,
                                        struct spoolss_PrinterInfo2 *pinfo2,
@@ -2478,7 +2510,8 @@ static void spoolss_notify_printer_name(int snum,
  * fill a notify_info_data with the servicename
  ********************************************************************/
 
-static void spoolss_notify_share_name(int snum,
+static void spoolss_notify_share_name(struct messaging_context *msg_ctx,
+                                     int snum,
                                      struct spoolss_Notify *data,
                                      print_queue_struct *queue,
                                      struct spoolss_PrinterInfo2 *pinfo2,
@@ -2491,7 +2524,8 @@ static void spoolss_notify_share_name(int snum,
  * fill a notify_info_data with the port name
  ********************************************************************/
 
-static void spoolss_notify_port_name(int snum,
+static void spoolss_notify_port_name(struct messaging_context *msg_ctx,
+                                    int snum,
                                     struct spoolss_Notify *data,
                                     print_queue_struct *queue,
                                     struct spoolss_PrinterInfo2 *pinfo2,
@@ -2505,7 +2539,8 @@ static void spoolss_notify_port_name(int snum,
  * but it doesn't exist, have to see what to do
  ********************************************************************/
 
-static void spoolss_notify_driver_name(int snum,
+static void spoolss_notify_driver_name(struct messaging_context *msg_ctx,
+                                      int snum,
                                       struct spoolss_Notify *data,
                                       print_queue_struct *queue,
                                       struct spoolss_PrinterInfo2 *pinfo2,
@@ -2518,7 +2553,8 @@ static void spoolss_notify_driver_name(int snum,
  * fill a notify_info_data with the comment
  ********************************************************************/
 
-static void spoolss_notify_comment(int snum,
+static void spoolss_notify_comment(struct messaging_context *msg_ctx,
+                                  int snum,
                                   struct spoolss_Notify *data,
                                   print_queue_struct *queue,
                                   struct spoolss_PrinterInfo2 *pinfo2,
@@ -2540,7 +2576,8 @@ static void spoolss_notify_comment(int snum,
  * location = "Room 1, floor 2, building 3"
  ********************************************************************/
 
-static void spoolss_notify_location(int snum,
+static void spoolss_notify_location(struct messaging_context *msg_ctx,
+                                   int snum,
                                    struct spoolss_Notify *data,
                                    print_queue_struct *queue,
                                    struct spoolss_PrinterInfo2 *pinfo2,
@@ -2554,7 +2591,8 @@ static void spoolss_notify_location(int snum,
  * jfm:xxxx don't to it for know but that's a real problem !!!
  ********************************************************************/
 
-static void spoolss_notify_devmode(int snum,
+static void spoolss_notify_devmode(struct messaging_context *msg_ctx,
+                                  int snum,
                                   struct spoolss_Notify *data,
                                   print_queue_struct *queue,
                                   struct spoolss_PrinterInfo2 *pinfo2,
@@ -2568,7 +2606,8 @@ static void spoolss_notify_devmode(int snum,
  * fill a notify_info_data with the separator file name
  ********************************************************************/
 
-static void spoolss_notify_sepfile(int snum,
+static void spoolss_notify_sepfile(struct messaging_context *msg_ctx,
+                                  int snum,
                                   struct spoolss_Notify *data,
                                   print_queue_struct *queue,
                                   struct spoolss_PrinterInfo2 *pinfo2,
@@ -2582,7 +2621,8 @@ static void spoolss_notify_sepfile(int snum,
  * jfm:xxxx return always winprint to indicate we don't do anything to it
  ********************************************************************/
 
-static void spoolss_notify_print_processor(int snum,
+static void spoolss_notify_print_processor(struct messaging_context *msg_ctx,
+                                          int snum,
                                           struct spoolss_Notify *data,
                                           print_queue_struct *queue,
                                           struct spoolss_PrinterInfo2 *pinfo2,
@@ -2596,7 +2636,8 @@ static void spoolss_notify_print_processor(int snum,
  * jfm:xxxx send an empty string
  ********************************************************************/
 
-static void spoolss_notify_parameters(int snum,
+static void spoolss_notify_parameters(struct messaging_context *msg_ctx,
+                                     int snum,
                                      struct spoolss_Notify *data,
                                      print_queue_struct *queue,
                                      struct spoolss_PrinterInfo2 *pinfo2,
@@ -2610,7 +2651,8 @@ static void spoolss_notify_parameters(int snum,
  * jfm:xxxx always send RAW as data type
  ********************************************************************/
 
-static void spoolss_notify_datatype(int snum,
+static void spoolss_notify_datatype(struct messaging_context *msg_ctx,
+                                   int snum,
                                    struct spoolss_Notify *data,
                                    print_queue_struct *queue,
                                    struct spoolss_PrinterInfo2 *pinfo2,
@@ -2625,7 +2667,8 @@ static void spoolss_notify_datatype(int snum,
  * have to implement security before !
  ********************************************************************/
 
-static void spoolss_notify_security_desc(int snum,
+static void spoolss_notify_security_desc(struct messaging_context *msg_ctx,
+                                        int snum,
                                         struct spoolss_Notify *data,
                                         print_queue_struct *queue,
                                         struct spoolss_PrinterInfo2 *pinfo2,
@@ -2639,7 +2682,8 @@ static void spoolss_notify_security_desc(int snum,
  * jfm:xxxx a samba printer is always shared
  ********************************************************************/
 
-static void spoolss_notify_attributes(int snum,
+static void spoolss_notify_attributes(struct messaging_context *msg_ctx,
+                                     int snum,
                                      struct spoolss_Notify *data,
                                      print_queue_struct *queue,
                                      struct spoolss_PrinterInfo2 *pinfo2,
@@ -2652,7 +2696,8 @@ static void spoolss_notify_attributes(int snum,
  * fill a notify_info_data with the priority
  ********************************************************************/
 
-static void spoolss_notify_priority(int snum,
+static void spoolss_notify_priority(struct messaging_context *msg_ctx,
+                                   int snum,
                                    struct spoolss_Notify *data,
                                    print_queue_struct *queue,
                                    struct spoolss_PrinterInfo2 *pinfo2,
@@ -2665,7 +2710,8 @@ static void spoolss_notify_priority(int snum,
  * fill a notify_info_data with the default priority
  ********************************************************************/
 
-static void spoolss_notify_default_priority(int snum,
+static void spoolss_notify_default_priority(struct messaging_context *msg_ctx,
+                                           int snum,
                                            struct spoolss_Notify *data,
                                            print_queue_struct *queue,
                                            struct spoolss_PrinterInfo2 *pinfo2,
@@ -2678,7 +2724,8 @@ static void spoolss_notify_default_priority(int snum,
  * fill a notify_info_data with the start time
  ********************************************************************/
 
-static void spoolss_notify_start_time(int snum,
+static void spoolss_notify_start_time(struct messaging_context *msg_ctx,
+                                     int snum,
                                      struct spoolss_Notify *data,
                                      print_queue_struct *queue,
                                      struct spoolss_PrinterInfo2 *pinfo2,
@@ -2691,7 +2738,8 @@ static void spoolss_notify_start_time(int snum,
  * fill a notify_info_data with the until time
  ********************************************************************/
 
-static void spoolss_notify_until_time(int snum,
+static void spoolss_notify_until_time(struct messaging_context *msg_ctx,
+                                     int snum,
                                      struct spoolss_Notify *data,
                                      print_queue_struct *queue,
                                      struct spoolss_PrinterInfo2 *pinfo2,
@@ -2704,7 +2752,8 @@ static void spoolss_notify_until_time(int snum,
  * fill a notify_info_data with the status
  ********************************************************************/
 
-static void spoolss_notify_status(int snum,
+static void spoolss_notify_status(struct messaging_context *msg_ctx,
+                                 int snum,
                                  struct spoolss_Notify *data,
                                  print_queue_struct *queue,
                                  struct spoolss_PrinterInfo2 *pinfo2,
@@ -2712,7 +2761,7 @@ static void spoolss_notify_status(int snum,
 {
        print_status_struct status;
 
-       print_queue_length(snum, &status);
+       print_queue_length(msg_ctx, snum, &status);
        SETUP_SPOOLSS_NOTIFY_DATA_INTEGER(data, status.status);
 }
 
@@ -2720,20 +2769,23 @@ static void spoolss_notify_status(int snum,
  * fill a notify_info_data with the number of jobs queued
  ********************************************************************/
 
-static void spoolss_notify_cjobs(int snum,
+static void spoolss_notify_cjobs(struct messaging_context *msg_ctx,
+                                int snum,
                                 struct spoolss_Notify *data,
                                 print_queue_struct *queue,
                                 struct spoolss_PrinterInfo2 *pinfo2,
                                 TALLOC_CTX *mem_ctx)
 {
-       SETUP_SPOOLSS_NOTIFY_DATA_INTEGER(data, print_queue_length(snum, NULL));
+       SETUP_SPOOLSS_NOTIFY_DATA_INTEGER(
+               data, print_queue_length(msg_ctx, snum, NULL));
 }
 
 /*******************************************************************
  * fill a notify_info_data with the average ppm
  ********************************************************************/
 
-static void spoolss_notify_average_ppm(int snum,
+static void spoolss_notify_average_ppm(struct messaging_context *msg_ctx,
+                                      int snum,
                                       struct spoolss_Notify *data,
                                       print_queue_struct *queue,
                                       struct spoolss_PrinterInfo2 *pinfo2,
@@ -2748,7 +2800,8 @@ static void spoolss_notify_average_ppm(int snum,
  * fill a notify_info_data with username
  ********************************************************************/
 
-static void spoolss_notify_username(int snum,
+static void spoolss_notify_username(struct messaging_context *msg_ctx,
+                                   int snum,
                                    struct spoolss_Notify *data,
                                    print_queue_struct *queue,
                                    struct spoolss_PrinterInfo2 *pinfo2,
@@ -2761,7 +2814,8 @@ static void spoolss_notify_username(int snum,
  * fill a notify_info_data with job status
  ********************************************************************/
 
-static void spoolss_notify_job_status(int snum,
+static void spoolss_notify_job_status(struct messaging_context *msg_ctx,
+                                     int snum,
                                      struct spoolss_Notify *data,
                                      print_queue_struct *queue,
                                      struct spoolss_PrinterInfo2 *pinfo2,
@@ -2774,7 +2828,8 @@ static void spoolss_notify_job_status(int snum,
  * fill a notify_info_data with job name
  ********************************************************************/
 
-static void spoolss_notify_job_name(int snum,
+static void spoolss_notify_job_name(struct messaging_context *msg_ctx,
+                                   int snum,
                                    struct spoolss_Notify *data,
                                    print_queue_struct *queue,
                                    struct spoolss_PrinterInfo2 *pinfo2,
@@ -2787,7 +2842,8 @@ static void spoolss_notify_job_name(int snum,
  * fill a notify_info_data with job status
  ********************************************************************/
 
-static void spoolss_notify_job_status_string(int snum,
+static void spoolss_notify_job_status_string(struct messaging_context *msg_ctx,
+                                            int snum,
                                             struct spoolss_Notify *data,
                                             print_queue_struct *queue,
                                             struct spoolss_PrinterInfo2 *pinfo2,
@@ -2825,7 +2881,8 @@ static void spoolss_notify_job_status_string(int snum,
  * fill a notify_info_data with job time
  ********************************************************************/
 
-static void spoolss_notify_job_time(int snum,
+static void spoolss_notify_job_time(struct messaging_context *msg_ctx,
+                                   int snum,
                                    struct spoolss_Notify *data,
                                    print_queue_struct *queue,
                                    struct spoolss_PrinterInfo2 *pinfo2,
@@ -2838,7 +2895,8 @@ static void spoolss_notify_job_time(int snum,
  * fill a notify_info_data with job size
  ********************************************************************/
 
-static void spoolss_notify_job_size(int snum,
+static void spoolss_notify_job_size(struct messaging_context *msg_ctx,
+                                   int snum,
                                    struct spoolss_Notify *data,
                                    print_queue_struct *queue,
                                    struct spoolss_PrinterInfo2 *pinfo2,
@@ -2850,7 +2908,8 @@ static void spoolss_notify_job_size(int snum,
 /*******************************************************************
  * fill a notify_info_data with page info
  ********************************************************************/
-static void spoolss_notify_total_pages(int snum,
+static void spoolss_notify_total_pages(struct messaging_context *msg_ctx,
+                                      int snum,
                                struct spoolss_Notify *data,
                                print_queue_struct *queue,
                                struct spoolss_PrinterInfo2 *pinfo2,
@@ -2862,7 +2921,8 @@ static void spoolss_notify_total_pages(int snum,
 /*******************************************************************
  * fill a notify_info_data with pages printed info.
  ********************************************************************/
-static void spoolss_notify_pages_printed(int snum,
+static void spoolss_notify_pages_printed(struct messaging_context *msg_ctx,
+                                        int snum,
                                struct spoolss_Notify *data,
                                print_queue_struct *queue,
                                struct spoolss_PrinterInfo2 *pinfo2,
@@ -2876,7 +2936,8 @@ static void spoolss_notify_pages_printed(int snum,
  Fill a notify_info_data with job position.
  ********************************************************************/
 
-static void spoolss_notify_job_position(int snum,
+static void spoolss_notify_job_position(struct messaging_context *msg_ctx,
+                                       int snum,
                                        struct spoolss_Notify *data,
                                        print_queue_struct *queue,
                                        struct spoolss_PrinterInfo2 *pinfo2,
@@ -2889,7 +2950,8 @@ static void spoolss_notify_job_position(int snum,
  Fill a notify_info_data with submitted time.
  ********************************************************************/
 
-static void spoolss_notify_submitted_time(int snum,
+static void spoolss_notify_submitted_time(struct messaging_context *msg_ctx,
+                                         int snum,
                                          struct spoolss_Notify *data,
                                          print_queue_struct *queue,
                                          struct spoolss_PrinterInfo2 *pinfo2,
@@ -2910,7 +2972,8 @@ struct s_notify_info_data_table
        uint16_t field;
        const char *name;
        enum spoolss_NotifyTable variable_type;
-       void (*fn) (int snum, struct spoolss_Notify *data,
+       void (*fn) (struct messaging_context *msg_ctx,
+                   int snum, struct spoolss_Notify *data,
                    print_queue_struct *queue,
                    struct spoolss_PrinterInfo2 *pinfo2,
                    TALLOC_CTX *mem_ctx);
@@ -3034,7 +3097,8 @@ static void construct_info_data(struct spoolss_Notify *info_data,
  *
  ********************************************************************/
 
-static bool construct_notify_printer_info(Printer_entry *print_hnd,
+static bool construct_notify_printer_info(struct messaging_context *msg_ctx,
+                                         Printer_entry *print_hnd,
                                          struct spoolss_NotifyInfo *info,
                                          struct spoolss_PrinterInfo2 *pinfo2,
                                          int snum,
@@ -3080,8 +3144,8 @@ static bool construct_notify_printer_info(Printer_entry *print_hnd,
                           notify_info_data_table[j].name, snum,
                           pinfo2->printername));
 
-               notify_info_data_table[j].fn(snum, current_data, queue,
-                                            pinfo2, mem_ctx);
+               notify_info_data_table[j].fn(msg_ctx, snum, current_data,
+                                            queue, pinfo2, mem_ctx);
 
                info->count++;
        }
@@ -3095,7 +3159,8 @@ static bool construct_notify_printer_info(Printer_entry *print_hnd,
  *
  ********************************************************************/
 
-static bool construct_notify_jobs_info(print_queue_struct *queue,
+static bool construct_notify_jobs_info(struct messaging_context *msg_ctx,
+                                      print_queue_struct *queue,
                                       struct spoolss_NotifyInfo *info,
                                       struct spoolss_PrinterInfo2 *pinfo2,
                                       int snum,
@@ -3133,8 +3198,8 @@ static bool construct_notify_jobs_info(print_queue_struct *queue,
                current_data=&(info->notifies[info->count]);
 
                construct_info_data(current_data, type, field, id);
-               notify_info_data_table[j].fn(snum, current_data, queue,
-                                            pinfo2, mem_ctx);
+               notify_info_data_table[j].fn(msg_ctx, snum, current_data,
+                                            queue, pinfo2, mem_ctx);
                info->count++;
        }
 
@@ -3217,6 +3282,7 @@ static WERROR printserver_notify_info(struct pipes_struct *p,
 
                        /* Maybe we should use the SYSTEM server_info here... */
                        result = winreg_get_printer(mem_ctx, p->server_info,
+                                                   p->msg_ctx,
                                                    Printer->servername,
                                                    lp_servicename(snum),
                                                    &pinfo2);
@@ -3228,7 +3294,8 @@ static WERROR printserver_notify_info(struct pipes_struct *p,
                        }
 
 
-                       construct_notify_printer_info(Printer, info,
+                       construct_notify_printer_info(p->msg_ctx,
+                                                     Printer, info,
                                                      pinfo2, snum,
                                                      &option_type, snum,
                                                      mem_ctx);
@@ -3300,7 +3367,7 @@ static WERROR printer_notify_info(struct pipes_struct *p,
        get_printer_snum(p, hnd, &snum, NULL);
 
        /* Maybe we should use the SYSTEM server_info here... */
-       result = winreg_get_printer(mem_ctx, p->server_info,
+       result = winreg_get_printer(mem_ctx, p->server_info, p->msg_ctx,
                                    Printer->servername,
                                    lp_servicename(snum), &pinfo2);
        if (!W_ERROR_IS_OK(result)) {
@@ -3312,7 +3379,8 @@ static WERROR printer_notify_info(struct pipes_struct *p,
 
                switch (option_type.type) {
                case PRINTER_NOTIFY_TYPE:
-                       if (construct_notify_printer_info(Printer, info,
+                       if (construct_notify_printer_info(p->msg_ctx,
+                                                         Printer, info,
                                                          pinfo2, snum,
                                                          &option_type, id,
                                                          mem_ctx)) {
@@ -3322,10 +3390,12 @@ static WERROR printer_notify_info(struct pipes_struct *p,
 
                case JOB_NOTIFY_TYPE:
 
-                       count = print_queue_status(snum, &queue, &status);
+                       count = print_queue_status(p->msg_ctx, snum, &queue,
+                                                  &status);
 
                        for (j=0; j<count; j++) {
-                               construct_notify_jobs_info(&queue[j], info,
+                               construct_notify_jobs_info(p->msg_ctx,
+                                                          &queue[j], info,
                                                           pinfo2, snum,
                                                           &option_type,
                                                           queue[j].job,
@@ -3432,6 +3502,7 @@ done:
 
 static WERROR construct_printer_info0(TALLOC_CTX *mem_ctx,
                                      struct auth_serversupplied_info *server_info,
+                                     struct messaging_context *msg_ctx,
                                      struct spoolss_PrinterInfo2 *info2,
                                      struct spoolss_PrinterInfo0 *r,
                                      int snum)
@@ -3447,7 +3518,7 @@ static WERROR construct_printer_info0(TALLOC_CTX *mem_ctx,
        r->servername           = talloc_strdup(mem_ctx, info2->servername);
        W_ERROR_HAVE_NO_MEMORY(r->servername);
 
-       count = print_queue_length(snum, &status);
+       count = print_queue_length(msg_ctx, snum, &status);
 
        /* check if we already have a counter for this printer */
        for (session_counter = counter_list; session_counter; session_counter = session_counter->next) {
@@ -3494,7 +3565,11 @@ static WERROR construct_printer_info0(TALLOC_CTX *mem_ctx,
        r->number_of_processors         = 0x1;
        r->processor_type               = PROCESSOR_INTEL_PENTIUM; /* 586 Pentium ? */
        r->high_part_total_bytes        = 0x0;
-       winreg_printer_get_changeid(mem_ctx, server_info, info2->sharename, &r->change_id); /* ChangeID in milliseconds*/
+
+       /* ChangeID in milliseconds*/
+       winreg_printer_get_changeid(mem_ctx, server_info, msg_ctx,
+                                   info2->sharename, &r->change_id);
+
        r->last_error                   = WERR_OK;
        r->status                       = nt_printq_status(status.status);
        r->enumerate_network_printers   = 0x0;
@@ -3547,6 +3622,7 @@ static WERROR construct_printer_info1(TALLOC_CTX *mem_ctx,
 ********************************************************************/
 
 static WERROR construct_printer_info2(TALLOC_CTX *mem_ctx,
+                                     struct messaging_context *msg_ctx,
                                      const struct spoolss_PrinterInfo2 *info2,
                                      struct spoolss_PrinterInfo2 *r,
                                      int snum)
@@ -3554,7 +3630,7 @@ static WERROR construct_printer_info2(TALLOC_CTX *mem_ctx,
        int count;
        print_status_struct status;
 
-       count = print_queue_length(snum, &status);
+       count = print_queue_length(msg_ctx, snum, &status);
 
        r->servername           = talloc_strdup(mem_ctx, info2->servername);
        W_ERROR_HAVE_NO_MEMORY(r->servername);
@@ -3685,6 +3761,7 @@ static WERROR construct_printer_info5(TALLOC_CTX *mem_ctx,
  ********************************************************************/
 
 static WERROR construct_printer_info6(TALLOC_CTX *mem_ctx,
+                                     struct messaging_context *msg_ctx,
                                      const struct spoolss_PrinterInfo2 *info2,
                                      struct spoolss_PrinterInfo6 *r,
                                      int snum)
@@ -3692,7 +3769,7 @@ static WERROR construct_printer_info6(TALLOC_CTX *mem_ctx,
        int count;
        print_status_struct status;
 
-       count = print_queue_length(snum, &status);
+       count = print_queue_length(msg_ctx, snum, &status);
 
        r->status = nt_printq_status(status.status);
 
@@ -3705,6 +3782,7 @@ static WERROR construct_printer_info6(TALLOC_CTX *mem_ctx,
  ********************************************************************/
 
 static WERROR construct_printer_info7(TALLOC_CTX *mem_ctx,
+                                     struct messaging_context *msg_ctx,
                                      Printer_entry *print_hnd,
                                      struct spoolss_PrinterInfo7 *r,
                                      int snum)
@@ -3720,7 +3798,8 @@ static WERROR construct_printer_info7(TALLOC_CTX *mem_ctx,
                return WERR_NOMEM;
        }
 
-       if (is_printer_published(mem_ctx, server_info, print_hnd->servername,
+       if (is_printer_published(mem_ctx, server_info, msg_ctx,
+                                print_hnd->servername,
                                 lp_servicename(snum), &guid, NULL)) {
                r->guid = talloc_strdup_upper(mem_ctx, GUID_string2(mem_ctx, &guid));
                r->action = DSPRINT_PUBLISH;
@@ -3767,6 +3846,7 @@ static bool snum_is_shared_printer(int snum)
 
 static WERROR enum_all_printers_info_level(TALLOC_CTX *mem_ctx,
                                           struct auth_serversupplied_info *server_info,
+                                          struct messaging_context *msg_ctx,
                                           uint32_t level,
                                           uint32_t flags,
                                           union spoolss_PrinterInfo **info_p,
@@ -3797,6 +3877,7 @@ static WERROR enum_all_printers_info_level(TALLOC_CTX *mem_ctx,
 
                result = winreg_create_printer(mem_ctx,
                                               server_info,
+                                              msg_ctx,
                                               NULL,
                                               printer);
                if (!W_ERROR_IS_OK(result)) {
@@ -3811,7 +3892,7 @@ static WERROR enum_all_printers_info_level(TALLOC_CTX *mem_ctx,
                        goto out;
                }
 
-               result = winreg_get_printer(mem_ctx, server_info,
+               result = winreg_get_printer(mem_ctx, server_info, msg_ctx,
                                            NULL, printer, &info2);
                if (!W_ERROR_IS_OK(result)) {
                        goto out;
@@ -3819,7 +3900,8 @@ static WERROR enum_all_printers_info_level(TALLOC_CTX *mem_ctx,
 
                switch (level) {
                case 0:
-                       result = construct_printer_info0(info, server_info, info2,
+                       result = construct_printer_info0(info, server_info,
+                                                        msg_ctx, info2,
                                                         &info[count].info0, snum);
                        break;
                case 1:
@@ -3827,7 +3909,7 @@ static WERROR enum_all_printers_info_level(TALLOC_CTX *mem_ctx,
                                                         &info[count].info1, snum);
                        break;
                case 2:
-                       result = construct_printer_info2(info, info2,
+                       result = construct_printer_info2(info, msg_ctx, info2,
                                                         &info[count].info2, snum);
                        break;
                case 4:
@@ -3871,6 +3953,7 @@ static WERROR enum_all_printers_info_level(TALLOC_CTX *mem_ctx,
 
 static WERROR enumprinters_level0(TALLOC_CTX *mem_ctx,
                                  struct auth_serversupplied_info *server_info,
+                                 struct messaging_context *msg_ctx,
                                  uint32_t flags,
                                  const char *servername,
                                  union spoolss_PrinterInfo **info,
@@ -3878,7 +3961,8 @@ static WERROR enumprinters_level0(TALLOC_CTX *mem_ctx,
 {
        DEBUG(4,("enum_all_printers_info_0\n"));
 
-       return enum_all_printers_info_level(mem_ctx, server_info, 0, flags, info, count);
+       return enum_all_printers_info_level(mem_ctx, server_info, msg_ctx,
+                                           0, flags, info, count);
 }
 
 
@@ -3887,13 +3971,15 @@ static WERROR enumprinters_level0(TALLOC_CTX *mem_ctx,
 
 static WERROR enum_all_printers_info_1(TALLOC_CTX *mem_ctx,
                                       struct auth_serversupplied_info *server_info,
+                                      struct messaging_context *msg_ctx,
                                       uint32_t flags,
                                       union spoolss_PrinterInfo **info,
                                       uint32_t *count)
 {
        DEBUG(4,("enum_all_printers_info_1\n"));
 
-       return enum_all_printers_info_level(mem_ctx, server_info, 1, flags, info, count);
+       return enum_all_printers_info_level(mem_ctx, server_info, msg_ctx,
+                                           1, flags, info, count);
 }
 
 /********************************************************************
@@ -3902,12 +3988,14 @@ static WERROR enum_all_printers_info_1(TALLOC_CTX *mem_ctx,
 
 static WERROR enum_all_printers_info_1_local(TALLOC_CTX *mem_ctx,
                                             struct auth_serversupplied_info *server_info,
+                                            struct messaging_context *msg_ctx,
                                             union spoolss_PrinterInfo **info,
                                             uint32_t *count)
 {
        DEBUG(4,("enum_all_printers_info_1_local\n"));
 
-       return enum_all_printers_info_1(mem_ctx, server_info, PRINTER_ENUM_ICON8, info, count);
+       return enum_all_printers_info_1(mem_ctx, server_info, msg_ctx,
+                                       PRINTER_ENUM_ICON8, info, count);
 }
 
 /********************************************************************
@@ -3916,6 +4004,7 @@ static WERROR enum_all_printers_info_1_local(TALLOC_CTX *mem_ctx,
 
 static WERROR enum_all_printers_info_1_name(TALLOC_CTX *mem_ctx,
                                            struct auth_serversupplied_info *server_info,
+                                           struct messaging_context *msg_ctx,
                                            const char *name,
                                            union spoolss_PrinterInfo **info,
                                            uint32_t *count)
@@ -3932,7 +4021,8 @@ static WERROR enum_all_printers_info_1_name(TALLOC_CTX *mem_ctx,
                return WERR_INVALID_NAME;
        }
 
-       return enum_all_printers_info_1(mem_ctx, server_info, PRINTER_ENUM_ICON8, info, count);
+       return enum_all_printers_info_1(mem_ctx, server_info, msg_ctx,
+                                       PRINTER_ENUM_ICON8, info, count);
 }
 
 /********************************************************************
@@ -3941,6 +4031,7 @@ static WERROR enum_all_printers_info_1_name(TALLOC_CTX *mem_ctx,
 
 static WERROR enum_all_printers_info_1_network(TALLOC_CTX *mem_ctx,
                                               struct auth_serversupplied_info *server_info,
+                                              struct messaging_context *msg_ctx,
                                               const char *name,
                                               union spoolss_PrinterInfo **info,
                                               uint32_t *count)
@@ -3965,7 +4056,8 @@ static WERROR enum_all_printers_info_1_network(TALLOC_CTX *mem_ctx,
                 return WERR_CAN_NOT_COMPLETE;
        }
 
-       return enum_all_printers_info_1(mem_ctx, server_info, PRINTER_ENUM_NAME, info, count);
+       return enum_all_printers_info_1(mem_ctx, server_info, msg_ctx,
+                                       PRINTER_ENUM_NAME, info, count);
 }
 
 /********************************************************************
@@ -3976,12 +4068,14 @@ static WERROR enum_all_printers_info_1_network(TALLOC_CTX *mem_ctx,
 
 static WERROR enum_all_printers_info_2(TALLOC_CTX *mem_ctx,
                                       struct auth_serversupplied_info *server_info,
+                                      struct messaging_context *msg_ctx,
                                       union spoolss_PrinterInfo **info,
                                       uint32_t *count)
 {
        DEBUG(4,("enum_all_printers_info_2\n"));
 
-       return enum_all_printers_info_level(mem_ctx, server_info, 2, 0, info, count);
+       return enum_all_printers_info_level(mem_ctx, server_info, msg_ctx,
+                                           2, 0, info, count);
 }
 
 /********************************************************************
@@ -3990,6 +4084,7 @@ static WERROR enum_all_printers_info_2(TALLOC_CTX *mem_ctx,
 
 static WERROR enumprinters_level1(TALLOC_CTX *mem_ctx,
                                  struct auth_serversupplied_info *server_info,
+                                 struct messaging_context *msg_ctx,
                                  uint32_t flags,
                                  const char *name,
                                  union spoolss_PrinterInfo **info,
@@ -3998,15 +4093,20 @@ static WERROR enumprinters_level1(TALLOC_CTX *mem_ctx,
        /* Not all the flags are equals */
 
        if (flags & PRINTER_ENUM_LOCAL) {
-               return enum_all_printers_info_1_local(mem_ctx, server_info, info, count);
+               return enum_all_printers_info_1_local(mem_ctx, server_info,
+                                                     msg_ctx, info, count);
        }
 
        if (flags & PRINTER_ENUM_NAME) {
-               return enum_all_printers_info_1_name(mem_ctx, server_info, name, info, count);
+               return enum_all_printers_info_1_name(mem_ctx, server_info,
+                                                    msg_ctx, name, info,
+                                                    count);
        }
 
        if (flags & PRINTER_ENUM_NETWORK) {
-               return enum_all_printers_info_1_network(mem_ctx, server_info, name, info, count);
+               return enum_all_printers_info_1_network(mem_ctx, server_info,
+                                                       msg_ctx, name, info,
+                                                       count);
        }
 
        return WERR_OK; /* NT4sp5 does that */
@@ -4018,13 +4118,15 @@ static WERROR enumprinters_level1(TALLOC_CTX *mem_ctx,
 
 static WERROR enumprinters_level2(TALLOC_CTX *mem_ctx,
                                  struct auth_serversupplied_info *server_info,
+                                 struct messaging_context *msg_ctx,
                                  uint32_t flags,
                                  const char *servername,
                                  union spoolss_PrinterInfo **info,
                                  uint32_t *count)
 {
        if (flags & PRINTER_ENUM_LOCAL) {
-               return enum_all_printers_info_2(mem_ctx, server_info, info, count);
+               return enum_all_printers_info_2(mem_ctx, server_info, msg_ctx,
+                                               info, count);
        }
 
        if (flags & PRINTER_ENUM_NAME) {
@@ -4032,7 +4134,8 @@ static WERROR enumprinters_level2(TALLOC_CTX *mem_ctx,
                        return WERR_INVALID_NAME;
                }
 
-               return enum_all_printers_info_2(mem_ctx, server_info, info, count);
+               return enum_all_printers_info_2(mem_ctx, server_info, msg_ctx,
+                                               info, count);
        }
 
        if (flags & PRINTER_ENUM_REMOTE) {
@@ -4048,6 +4151,7 @@ static WERROR enumprinters_level2(TALLOC_CTX *mem_ctx,
 
 static WERROR enumprinters_level4(TALLOC_CTX *mem_ctx,
                                  struct auth_serversupplied_info *server_info,
+                                 struct messaging_context *msg_ctx,
                                  uint32_t flags,
                                  const char *servername,
                                  union spoolss_PrinterInfo **info,
@@ -4055,7 +4159,8 @@ static WERROR enumprinters_level4(TALLOC_CTX *mem_ctx,
 {
        DEBUG(4,("enum_all_printers_info_4\n"));
 
-       return enum_all_printers_info_level(mem_ctx, server_info, 4, flags, info, count);
+       return enum_all_printers_info_level(mem_ctx, server_info, msg_ctx,
+                                           4, flags, info, count);
 }
 
 
@@ -4065,6 +4170,7 @@ static WERROR enumprinters_level4(TALLOC_CTX *mem_ctx,
 
 static WERROR enumprinters_level5(TALLOC_CTX *mem_ctx,
                                  struct auth_serversupplied_info *server_info,
+                                 struct messaging_context *msg_ctx,
                                  uint32_t flags,
                                  const char *servername,
                                  union spoolss_PrinterInfo **info,
@@ -4072,7 +4178,8 @@ static WERROR enumprinters_level5(TALLOC_CTX *mem_ctx,
 {
        DEBUG(4,("enum_all_printers_info_5\n"));
 
-       return enum_all_printers_info_level(mem_ctx, server_info, 5, flags, info, count);
+       return enum_all_printers_info_level(mem_ctx, server_info, msg_ctx,
+                                           5, flags, info, count);
 }
 
 /****************************************************************
@@ -4118,27 +4225,27 @@ WERROR _spoolss_EnumPrinters(struct pipes_struct *p,
        switch (r->in.level) {
        case 0:
                result = enumprinters_level0(p->mem_ctx, p->server_info,
-                                            r->in.flags, name,
+                                            p->msg_ctx, r->in.flags, name,
                                             r->out.info, r->out.count);
                break;
        case 1:
                result = enumprinters_level1(p->mem_ctx, p->server_info,
-                                            r->in.flags, name,
+                                            p->msg_ctx, r->in.flags, name,
                                             r->out.info, r->out.count);
                break;
        case 2:
                result = enumprinters_level2(p->mem_ctx, p->server_info,
-                                            r->in.flags, name,
+                                            p->msg_ctx, r->in.flags, name,
                                             r->out.info, r->out.count);
                break;
        case 4:
                result = enumprinters_level4(p->mem_ctx, p->server_info,
-                                            r->in.flags, name,
+                                            p->msg_ctx, r->in.flags, name,
                                             r->out.info, r->out.count);
                break;
        case 5:
                result = enumprinters_level5(p->mem_ctx, p->server_info,
-                                            r->in.flags, name,
+                                            p->msg_ctx, r->in.flags, name,
                                             r->out.info, r->out.count);
                break;
        default:
@@ -4190,6 +4297,7 @@ WERROR _spoolss_GetPrinter(struct pipes_struct *p,
 
        result = winreg_get_printer(p->mem_ctx,
                                    p->server_info,
+                                   p->msg_ctx,
                                    servername,
                                    lp_const_servicename(snum),
                                    &info2);
@@ -4200,7 +4308,7 @@ WERROR _spoolss_GetPrinter(struct pipes_struct *p,
        switch (r->in.level) {
        case 0:
                result = construct_printer_info0(p->mem_ctx, p->server_info,
-                                                info2,
+                                                p->msg_ctx, info2,
                                                 &r->out.info->info0, snum);
                break;
        case 1:
@@ -4209,7 +4317,7 @@ WERROR _spoolss_GetPrinter(struct pipes_struct *p,
                                                 &r->out.info->info1, snum);
                break;
        case 2:
-               result = construct_printer_info2(p->mem_ctx, info2,
+               result = construct_printer_info2(p->mem_ctx, p->msg_ctx, info2,
                                                 &r->out.info->info2, snum);
                break;
        case 3:
@@ -4225,11 +4333,12 @@ WERROR _spoolss_GetPrinter(struct pipes_struct *p,
                                                 &r->out.info->info5, snum);
                break;
        case 6:
-               result = construct_printer_info6(p->mem_ctx, info2,
+               result = construct_printer_info6(p->mem_ctx, p->msg_ctx, info2,
                                                 &r->out.info->info6, snum);
                break;
        case 7:
-               result = construct_printer_info7(p->mem_ctx, Printer,
+               result = construct_printer_info7(p->mem_ctx, p->msg_ctx,
+                                                Printer,
                                                 &r->out.info->info7, snum);
                break;
        case 8:
@@ -4937,6 +5046,7 @@ static WERROR fill_printer_driver_info101(TALLOC_CTX *mem_ctx,
 
 static WERROR construct_printer_driver_info_level(TALLOC_CTX *mem_ctx,
                                                  struct auth_serversupplied_info *server_info,
+                                                 struct messaging_context *msg_ctx,
                                                  uint32_t level,
                                                  union spoolss_DriverInfo *r,
                                                  int snum,
@@ -4950,6 +5060,7 @@ static WERROR construct_printer_driver_info_level(TALLOC_CTX *mem_ctx,
 
        result = winreg_get_printer(mem_ctx,
                                    server_info,
+                                   msg_ctx,
                                    servername,
                                    lp_const_servicename(snum),
                                    &pinfo2);
@@ -4961,7 +5072,8 @@ static WERROR construct_printer_driver_info_level(TALLOC_CTX *mem_ctx,
                return WERR_INVALID_PRINTER_NAME;
        }
 
-       result = winreg_get_driver(mem_ctx, server_info, architecture,
+       result = winreg_get_driver(mem_ctx, server_info, msg_ctx,
+                                  architecture,
                                   pinfo2->drivername, version, &driver);
 
        DEBUG(8,("construct_printer_driver_info_level: status: %s\n",
@@ -4979,7 +5091,8 @@ static WERROR construct_printer_driver_info_level(TALLOC_CTX *mem_ctx,
 
                /* Yes - try again with a WinNT driver. */
                version = 2;
-               result = winreg_get_driver(mem_ctx, server_info, architecture,
+               result = winreg_get_driver(mem_ctx, server_info, msg_ctx,
+                                          architecture,
                                           pinfo2->drivername,
                                           version, &driver);
                DEBUG(8,("construct_printer_driver_level: status: %s\n",
@@ -5061,7 +5174,9 @@ WERROR _spoolss_GetPrinterDriver2(struct pipes_struct *p,
                return WERR_BADFID;
        }
 
-       result = construct_printer_driver_info_level(p->mem_ctx, p->server_info,
+       result = construct_printer_driver_info_level(p->mem_ctx,
+                                                    p->server_info,
+                                                    p->msg_ctx,
                                                     r->in.level, r->out.info,
                                                     snum, printer->servername,
                                                     r->in.architecture,
@@ -5119,7 +5234,7 @@ WERROR _spoolss_EndPagePrinter(struct pipes_struct *p,
                return WERR_BADFID;
 
        Printer->page_started = false;
-       print_job_endpage(snum, Printer->jobid);
+       print_job_endpage(p->msg_ctx, snum, Printer->jobid);
 
        return WERR_OK;
 }
@@ -5176,7 +5291,8 @@ WERROR _spoolss_StartDocPrinter(struct pipes_struct *p,
                return WERR_BADFID;
        }
 
-       werr = print_job_start(p->server_info, snum,
+       werr = print_job_start(p->server_info, p->msg_ctx,
+                               p->client_id->name, snum,
                                info_1->document_name, info_1->output_file,
                                Printer->devmode, &Printer->jobid);
 
@@ -5215,7 +5331,7 @@ WERROR _spoolss_EndDocPrinter(struct pipes_struct *p,
        }
 
        Printer->document_started = false;
-       status = print_job_end(snum, Printer->jobid, NORMAL_CLOSE);
+       status = print_job_end(p->msg_ctx, snum, Printer->jobid, NORMAL_CLOSE);
        if (!NT_STATUS_IS_OK(status)) {
                DEBUG(2, ("_spoolss_EndDocPrinter: "
                          "print_job_end failed [%s]\n",
@@ -5248,9 +5364,9 @@ WERROR _spoolss_WritePrinter(struct pipes_struct *p,
                return WERR_BADFID;
 
        /* print_job_write takes care of checking for PJOB_SMBD_SPOOLING */
-       buffer_written = print_job_write(snum, Printer->jobid,
+       buffer_written = print_job_write(server_event_context(),p->msg_ctx,
+                                                  snum, Printer->jobid,
                                                   (const char *)r->in.data.data,
-                                                  (SMB_OFF_T)-1,
                                                   (size_t)r->in._data_size);
        if (buffer_written == (ssize_t)-1) {
                *r->out.num_written = 0;
@@ -5289,14 +5405,14 @@ static WERROR control_printer(struct policy_handle *handle, uint32_t command,
 
        switch (command) {
        case SPOOLSS_PRINTER_CONTROL_PAUSE:
-               errcode = print_queue_pause(p->server_info, snum);
+               errcode = print_queue_pause(p->server_info, p->msg_ctx, snum);
                break;
        case SPOOLSS_PRINTER_CONTROL_RESUME:
        case SPOOLSS_PRINTER_CONTROL_UNPAUSE:
-               errcode = print_queue_resume(p->server_info, snum);
+               errcode = print_queue_resume(p->server_info, p->msg_ctx, snum);
                break;
        case SPOOLSS_PRINTER_CONTROL_PURGE:
-               errcode = print_queue_purge(p->server_info, snum);
+               errcode = print_queue_purge(p->server_info, p->msg_ctx, snum);
                break;
        default:
                return WERR_UNKNOWN_LEVEL;
@@ -5332,7 +5448,8 @@ WERROR _spoolss_AbortPrinter(struct pipes_struct *p,
                return WERR_SPL_NO_STARTDOC;
        }
 
-       errcode = print_job_delete(p->server_info, snum, Printer->jobid);
+       errcode = print_job_delete(p->server_info, p->msg_ctx, snum,
+                                  Printer->jobid);
 
        return errcode;
 }
@@ -5384,6 +5501,7 @@ static WERROR update_printer_sec(struct policy_handle *handle,
           nothing may have actually changed. */
        result = winreg_get_printer_secdesc(p->mem_ctx,
                                            p->server_info,
+                                           p->msg_ctx,
                                            printer,
                                            &old_secdesc);
        if (!W_ERROR_IS_OK(result)) {
@@ -5435,6 +5553,7 @@ static WERROR update_printer_sec(struct policy_handle *handle,
 
        result = winreg_set_printer_secdesc(p->mem_ctx,
                                            p->server_info,
+                                           p->msg_ctx,
                                            printer,
                                            new_secdesc);
 
@@ -5547,9 +5666,10 @@ static WERROR add_port_hook(TALLOC_CTX *ctx, NT_USER_TOKEN *token, const char *p
 /****************************************************************************
 ****************************************************************************/
 
-bool add_printer_hook(TALLOC_CTX *ctx, NT_USER_TOKEN *token,
-                     struct spoolss_SetPrinterInfo2 *info2,
-                     const char *remote_machine)
+static bool add_printer_hook(TALLOC_CTX *ctx, NT_USER_TOKEN *token,
+                            struct spoolss_SetPrinterInfo2 *info2,
+                            const char *remote_machine,
+                            struct messaging_context *msg_ctx)
 {
        char *cmd = lp_addprinter_cmd();
        char **qlines;
@@ -5585,8 +5705,7 @@ bool add_printer_hook(TALLOC_CTX *ctx, NT_USER_TOKEN *token,
 
        if ( (ret = smbrun(command, &fd)) == 0 ) {
                /* Tell everyone we updated smb.conf. */
-               message_send_all(smbd_messaging_context(),
-                                MSG_SMB_CONF_UPDATED, NULL, 0, NULL);
+               message_send_all(msg_ctx, MSG_SMB_CONF_UPDATED, NULL, 0, NULL);
        }
 
        if ( is_print_op )
@@ -5606,7 +5725,7 @@ bool add_printer_hook(TALLOC_CTX *ctx, NT_USER_TOKEN *token,
 
        /* reload our services immediately */
        become_root();
-       reload_services(false);
+       reload_services(msg_ctx, smbd_server_fd(), false);
        unbecome_root();
 
        numlines = 0;
@@ -5630,6 +5749,7 @@ bool add_printer_hook(TALLOC_CTX *ctx, NT_USER_TOKEN *token,
 
 static WERROR update_dsspooler(TALLOC_CTX *mem_ctx,
                               struct auth_serversupplied_info *server_info,
+                              struct messaging_context *msg_ctx,
                               int snum,
                               struct spoolss_SetPrinterInfo2 *printer,
                               struct spoolss_PrinterInfo2 *old_printer)
@@ -5646,6 +5766,7 @@ static WERROR update_dsspooler(TALLOC_CTX *mem_ctx,
                push_reg_sz(mem_ctx, &buffer, printer->drivername);
                winreg_set_printer_dataex(mem_ctx,
                                          server_info,
+                                         msg_ctx,
                                          printer->sharename,
                                          SPOOL_DSSPOOLER_KEY,
                                          SPOOL_REG_DRIVERNAME,
@@ -5657,7 +5778,8 @@ static WERROR update_dsspooler(TALLOC_CTX *mem_ctx,
                        DEBUG(10,("update_printer: changing driver [%s]!  Sending event!\n",
                                printer->drivername));
 
-                       notify_printer_driver(snum, printer->drivername);
+                       notify_printer_driver(server_event_context(), msg_ctx,
+                                             snum, printer->drivername);
                }
        }
 
@@ -5665,6 +5787,7 @@ static WERROR update_dsspooler(TALLOC_CTX *mem_ctx,
                push_reg_sz(mem_ctx, &buffer, printer->comment);
                winreg_set_printer_dataex(mem_ctx,
                                          server_info,
+                                         msg_ctx,
                                          printer->sharename,
                                          SPOOL_DSSPOOLER_KEY,
                                          SPOOL_REG_DESCRIPTION,
@@ -5673,7 +5796,8 @@ static WERROR update_dsspooler(TALLOC_CTX *mem_ctx,
                                          buffer.length);
 
                if (!force_update) {
-                       notify_printer_comment(snum, printer->comment);
+                       notify_printer_comment(server_event_context(), msg_ctx,
+                                              snum, printer->comment);
                }
        }
 
@@ -5681,6 +5805,7 @@ static WERROR update_dsspooler(TALLOC_CTX *mem_ctx,
                push_reg_sz(mem_ctx, &buffer, printer->sharename);
                winreg_set_printer_dataex(mem_ctx,
                                          server_info,
+                                         msg_ctx,
                                          printer->sharename,
                                          SPOOL_DSSPOOLER_KEY,
                                          SPOOL_REG_PRINTSHARENAME,
@@ -5689,7 +5814,9 @@ static WERROR update_dsspooler(TALLOC_CTX *mem_ctx,
                                          buffer.length);
 
                if (!force_update) {
-                       notify_printer_sharename(snum, printer->sharename);
+                       notify_printer_sharename(server_event_context(),
+                                                msg_ctx,
+                                                snum, printer->sharename);
                }
        }
 
@@ -5706,6 +5833,7 @@ static WERROR update_dsspooler(TALLOC_CTX *mem_ctx,
                push_reg_sz(mem_ctx, &buffer, p);
                winreg_set_printer_dataex(mem_ctx,
                                          server_info,
+                                         msg_ctx,
                                          printer->sharename,
                                          SPOOL_DSSPOOLER_KEY,
                                          SPOOL_REG_PRINTERNAME,
@@ -5714,7 +5842,8 @@ static WERROR update_dsspooler(TALLOC_CTX *mem_ctx,
                                          buffer.length);
 
                if (!force_update) {
-                       notify_printer_printername(snum, p);
+                       notify_printer_printername(server_event_context(),
+                                                  msg_ctx, snum, p);
                }
        }
 
@@ -5722,6 +5851,7 @@ static WERROR update_dsspooler(TALLOC_CTX *mem_ctx,
                push_reg_sz(mem_ctx, &buffer, printer->portname);
                winreg_set_printer_dataex(mem_ctx,
                                          server_info,
+                                         msg_ctx,
                                          printer->sharename,
                                          SPOOL_DSSPOOLER_KEY,
                                          SPOOL_REG_PORTNAME,
@@ -5730,7 +5860,8 @@ static WERROR update_dsspooler(TALLOC_CTX *mem_ctx,
                                          buffer.length);
 
                if (!force_update) {
-                       notify_printer_port(snum, printer->portname);
+                       notify_printer_port(server_event_context(),
+                                           msg_ctx, snum, printer->portname);
                }
        }
 
@@ -5738,6 +5869,7 @@ static WERROR update_dsspooler(TALLOC_CTX *mem_ctx,
                push_reg_sz(mem_ctx, &buffer, printer->location);
                winreg_set_printer_dataex(mem_ctx,
                                          server_info,
+                                         msg_ctx,
                                          printer->sharename,
                                          SPOOL_DSSPOOLER_KEY,
                                          SPOOL_REG_LOCATION,
@@ -5746,7 +5878,9 @@ static WERROR update_dsspooler(TALLOC_CTX *mem_ctx,
                                          buffer.length);
 
                if (!force_update) {
-                       notify_printer_location(snum, printer->location);
+                       notify_printer_location(server_event_context(),
+                                               msg_ctx, snum,
+                                               printer->location);
                }
        }
 
@@ -5754,6 +5888,7 @@ static WERROR update_dsspooler(TALLOC_CTX *mem_ctx,
                push_reg_sz(mem_ctx, &buffer, printer->sepfile);
                winreg_set_printer_dataex(mem_ctx,
                                          server_info,
+                                         msg_ctx,
                                          printer->sharename,
                                          SPOOL_DSSPOOLER_KEY,
                                          SPOOL_REG_PRINTSEPARATORFILE,
@@ -5762,7 +5897,9 @@ static WERROR update_dsspooler(TALLOC_CTX *mem_ctx,
                                          buffer.length);
 
                if (!force_update) {
-                       notify_printer_location(snum, printer->location);
+                       notify_printer_location(server_event_context(),
+                                               msg_ctx, snum,
+                                               printer->location);
                }
        }
 
@@ -5771,6 +5908,7 @@ static WERROR update_dsspooler(TALLOC_CTX *mem_ctx,
                SIVAL(buffer.data, 0, printer->starttime);
                winreg_set_printer_dataex(mem_ctx,
                                          server_info,
+                                         msg_ctx,
                                          printer->sharename,
                                          SPOOL_DSSPOOLER_KEY,
                                          SPOOL_REG_PRINTSTARTTIME,
@@ -5784,6 +5922,7 @@ static WERROR update_dsspooler(TALLOC_CTX *mem_ctx,
                SIVAL(buffer.data, 0, printer->untiltime);
                winreg_set_printer_dataex(mem_ctx,
                                          server_info,
+                                         msg_ctx,
                                          printer->sharename,
                                          SPOOL_DSSPOOLER_KEY,
                                          SPOOL_REG_PRINTENDTIME,
@@ -5797,6 +5936,7 @@ static WERROR update_dsspooler(TALLOC_CTX *mem_ctx,
                SIVAL(buffer.data, 0, printer->priority);
                winreg_set_printer_dataex(mem_ctx,
                                          server_info,
+                                         msg_ctx,
                                          printer->sharename,
                                          SPOOL_DSSPOOLER_KEY,
                                          SPOOL_REG_PRIORITY,
@@ -5811,6 +5951,7 @@ static WERROR update_dsspooler(TALLOC_CTX *mem_ctx,
                                       PRINTER_ATTRIBUTE_KEEPPRINTEDJOBS));
                winreg_set_printer_dataex(mem_ctx,
                                          server_info,
+                                         msg_ctx,
                                          printer->sharename,
                                          SPOOL_DSSPOOLER_KEY,
                                          SPOOL_REG_PRINTKEEPPRINTEDJOBS,
@@ -5834,6 +5975,7 @@ static WERROR update_dsspooler(TALLOC_CTX *mem_ctx,
                push_reg_sz(mem_ctx, &buffer, spooling);
                winreg_set_printer_dataex(mem_ctx,
                                          server_info,
+                                         msg_ctx,
                                          printer->sharename,
                                          SPOOL_DSSPOOLER_KEY,
                                          SPOOL_REG_PRINTSPOOLING,
@@ -5845,6 +5987,7 @@ static WERROR update_dsspooler(TALLOC_CTX *mem_ctx,
        push_reg_sz(mem_ctx, &buffer, global_myname());
        winreg_set_printer_dataex(mem_ctx,
                                  server_info,
+                                 msg_ctx,
                                  printer->sharename,
                                  SPOOL_DSSPOOLER_KEY,
                                  SPOOL_REG_SHORTSERVERNAME,
@@ -5866,6 +6009,7 @@ static WERROR update_dsspooler(TALLOC_CTX *mem_ctx,
        push_reg_sz(mem_ctx, &buffer, longname);
        winreg_set_printer_dataex(mem_ctx,
                                  server_info,
+                                 msg_ctx,
                                  printer->sharename,
                                  SPOOL_DSSPOOLER_KEY,
                                  SPOOL_REG_SERVERNAME,
@@ -5878,6 +6022,7 @@ static WERROR update_dsspooler(TALLOC_CTX *mem_ctx,
        push_reg_sz(mem_ctx, &buffer, uncname);
        winreg_set_printer_dataex(mem_ctx,
                                  server_info,
+                                 msg_ctx,
                                  printer->sharename,
                                  SPOOL_DSSPOOLER_KEY,
                                  SPOOL_REG_UNCNAME,
@@ -5931,6 +6076,7 @@ static WERROR update_printer(struct pipes_struct *p,
 
        result = winreg_get_printer(tmp_ctx,
                                    p->server_info,
+                                   p->msg_ctx,
                                    servername,
                                    lp_const_servicename(snum),
                                    &old_printer);
@@ -5966,7 +6112,8 @@ static WERROR update_printer(struct pipes_struct *p,
        {
                /* add_printer_hook() will call reload_services() */
                if (!add_printer_hook(tmp_ctx, p->server_info->ptok,
-                                     printer, p->client_address) ) {
+                                     printer, p->client_id->addr,
+                                     p->msg_ctx)) {
                        result = WERR_ACCESS_DENIED;
                        goto done;
                }
@@ -5974,6 +6121,7 @@ static WERROR update_printer(struct pipes_struct *p,
 
        update_dsspooler(tmp_ctx,
                         p->server_info,
+                        p->msg_ctx,
                         snum,
                         printer,
                         old_printer);
@@ -5985,6 +6133,7 @@ static WERROR update_printer(struct pipes_struct *p,
        }
        result = winreg_update_printer(tmp_ctx,
                                       p->server_info,
+                                      p->msg_ctx,
                                       printer->sharename,
                                       printer_mask,
                                       printer,
@@ -6023,14 +6172,15 @@ static WERROR publish_or_unpublish_printer(struct pipes_struct *p,
        if (!get_printer_snum(p, handle, &snum, NULL))
                return WERR_BADFID;
 
-       result = winreg_get_printer(p->mem_ctx, p->server_info,
+       result = winreg_get_printer(p->mem_ctx, p->server_info, p->msg_ctx,
                                    Printer->servername,
                                    lp_servicename(snum), &pinfo2);
        if (!W_ERROR_IS_OK(result)) {
                return WERR_BADFID;
        }
 
-       nt_printer_publish(pinfo2, p->server_info, pinfo2, info7->action);
+       nt_printer_publish(pinfo2, p->server_info, p->msg_ctx, pinfo2,
+                          info7->action);
 
        TALLOC_FREE(pinfo2);
        return WERR_OK;
@@ -6068,6 +6218,7 @@ static WERROR update_printer_devmode(struct pipes_struct *p,
 
        return winreg_update_printer(p->mem_ctx,
                                     p->server_info,
+                                    p->msg_ctx,
                                     lp_const_servicename(snum),
                                     info2_mask,
                                     NULL,
@@ -6145,7 +6296,8 @@ WERROR _spoolss_FindClosePrinterNotify(struct pipes_struct *p,
                                !get_printer_snum(p, r->in.handle, &snum, NULL) )
                        return WERR_BADFID;
 
-               srv_spoolss_replycloseprinter(snum, &Printer->notify.client_hnd);
+               srv_spoolss_replycloseprinter(
+                       snum, &Printer->notify.client_hnd, p->msg_ctx);
        }
 
        Printer->notify.flags=0;
@@ -6479,13 +6631,13 @@ WERROR _spoolss_EnumJobs(struct pipes_struct *p,
                return WERR_BADFID;
        }
 
-       result = winreg_get_printer(p->mem_ctx, p->server_info, NULL,
-                                   lp_servicename(snum), &pinfo2);
+       result = winreg_get_printer(p->mem_ctx, p->server_info, p->msg_ctx,
+                                   NULL, lp_servicename(snum), &pinfo2);
        if (!W_ERROR_IS_OK(result)) {
                return result;
        }
 
-       count = print_queue_status(snum, &queue, &prt_status);
+       count = print_queue_status(p->msg_ctx, snum, &queue, &prt_status);
        DEBUGADD(4,("count:[%d], status:[%d], [%s]\n",
                count, prt_status.status, prt_status.message));
 
@@ -6544,6 +6696,7 @@ WERROR _spoolss_ScheduleJob(struct pipes_struct *p,
 ****************************************************************/
 
 static WERROR spoolss_setjob_1(TALLOC_CTX *mem_ctx,
+                              struct messaging_context *msg_ctx,
                               const char *printer_name,
                               uint32_t job_id,
                               struct spoolss_SetJobInfo1 *r)
@@ -6558,7 +6711,8 @@ static WERROR spoolss_setjob_1(TALLOC_CTX *mem_ctx,
                return WERR_OK;
        }
 
-       if (!print_job_set_name(printer_name, job_id, r->document_name)) {
+       if (!print_job_set_name(server_event_context(), msg_ctx,
+                               printer_name, job_id, r->document_name)) {
                return WERR_BADFID;
        }
 
@@ -6586,20 +6740,22 @@ WERROR _spoolss_SetJob(struct pipes_struct *p,
        switch (r->in.command) {
        case SPOOLSS_JOB_CONTROL_CANCEL:
        case SPOOLSS_JOB_CONTROL_DELETE:
-               errcode = print_job_delete(p->server_info,
+               errcode = print_job_delete(p->server_info, p->msg_ctx,
                                           snum, r->in.job_id);
                if (W_ERROR_EQUAL(errcode, WERR_PRINTER_HAS_JOBS_QUEUED)) {
                        errcode = WERR_OK;
                }
                break;
        case SPOOLSS_JOB_CONTROL_PAUSE:
-               if (print_job_pause(p->server_info, snum, r->in.job_id, &errcode)) {
+               if (print_job_pause(p->server_info, p->msg_ctx,
+                                   snum, r->in.job_id, &errcode)) {
                        errcode = WERR_OK;
                }
                break;
        case SPOOLSS_JOB_CONTROL_RESTART:
        case SPOOLSS_JOB_CONTROL_RESUME:
-               if (print_job_resume(p->server_info, snum, r->in.job_id, &errcode)) {
+               if (print_job_resume(p->server_info, p->msg_ctx,
+                                    snum, r->in.job_id, &errcode)) {
                        errcode = WERR_OK;
                }
                break;
@@ -6620,7 +6776,8 @@ WERROR _spoolss_SetJob(struct pipes_struct *p,
 
        switch (r->in.ctr->level) {
        case 1:
-               errcode = spoolss_setjob_1(p->mem_ctx, lp_const_servicename(snum),
+               errcode = spoolss_setjob_1(p->mem_ctx, p->msg_ctx,
+                                          lp_const_servicename(snum),
                                           r->in.job_id,
                                           r->in.ctr->info.info1);
                break;
@@ -6640,6 +6797,7 @@ WERROR _spoolss_SetJob(struct pipes_struct *p,
 
 static WERROR enumprinterdrivers_level_by_architecture(TALLOC_CTX *mem_ctx,
                                                       struct auth_serversupplied_info *server_info,
+                                                      struct messaging_context *msg_ctx,
                                                       const char *servername,
                                                       const char *architecture,
                                                       uint32_t level,
@@ -6659,7 +6817,7 @@ static WERROR enumprinterdrivers_level_by_architecture(TALLOC_CTX *mem_ctx,
        *info_p = NULL;
 
        for (version=0; version<DRIVER_MAX_VERSION; version++) {
-               result = winreg_get_driver_list(mem_ctx, server_info,
+               result = winreg_get_driver_list(mem_ctx, server_info, msg_ctx,
                                                architecture, version,
                                                &num_drivers, &drivers);
                if (!W_ERROR_IS_OK(result)) {
@@ -6685,6 +6843,7 @@ static WERROR enumprinterdrivers_level_by_architecture(TALLOC_CTX *mem_ctx,
                        DEBUG(5, ("\tdriver: [%s]\n", drivers[i]));
 
                        result = winreg_get_driver(mem_ctx, server_info,
+                                                  msg_ctx,
                                                   architecture, drivers[i],
                                                   version, &driver);
                        if (!W_ERROR_IS_OK(result)) {
@@ -6756,6 +6915,7 @@ static WERROR enumprinterdrivers_level_by_architecture(TALLOC_CTX *mem_ctx,
 
 static WERROR enumprinterdrivers_level(TALLOC_CTX *mem_ctx,
                                       struct auth_serversupplied_info *server_info,
+                                      struct messaging_context *msg_ctx,
                                       const char *servername,
                                       const char *architecture,
                                       uint32_t level,
@@ -6774,6 +6934,7 @@ static WERROR enumprinterdrivers_level(TALLOC_CTX *mem_ctx,
 
                        result = enumprinterdrivers_level_by_architecture(mem_ctx,
                                                                          server_info,
+                                                                         msg_ctx,
                                                                          servername,
                                                                          archi_table[a].long_archi,
                                                                          level,
@@ -6794,6 +6955,7 @@ static WERROR enumprinterdrivers_level(TALLOC_CTX *mem_ctx,
 
        return enumprinterdrivers_level_by_architecture(mem_ctx,
                                                        server_info,
+                                                       msg_ctx,
                                                        servername,
                                                        architecture,
                                                        level,
@@ -6831,6 +6993,7 @@ WERROR _spoolss_EnumPrinterDrivers(struct pipes_struct *p,
 
        result = enumprinterdrivers_level(p->mem_ctx,
                                          p->server_info,
+                                         p->msg_ctx,
                                          cservername,
                                          r->in.environment,
                                          r->in.level,
@@ -6877,6 +7040,7 @@ WERROR _spoolss_EnumForms(struct pipes_struct *p,
        case 1:
                result = winreg_printer_enumforms1(p->mem_ctx,
                                                   p->server_info,
+                                                  p->msg_ctx,
                                                   r->out.count,
                                                   r->out.info);
                break;
@@ -6926,6 +7090,7 @@ WERROR _spoolss_GetForm(struct pipes_struct *p,
        case 1:
                result = winreg_printer_getform1(p->mem_ctx,
                                                 p->server_info,
+                                                p->msg_ctx,
                                                 r->in.form_name,
                                                 &r->out.info->info1);
                break;
@@ -7256,7 +7421,8 @@ static WERROR spoolss_addprinterex_level_2(struct pipes_struct *p,
 
        if (*lp_addprinter_cmd() ) {
                if ( !add_printer_hook(p->mem_ctx, p->server_info->ptok,
-                                      info2, p->client_address) ) {
+                                      info2, p->client_id->addr,
+                                      p->msg_ctx) ) {
                        return WERR_ACCESS_DENIED;
                }
        } else {
@@ -7271,7 +7437,8 @@ static WERROR spoolss_addprinterex_level_2(struct pipes_struct *p,
        }
 
        /* you must be a printer admin to add a new printer */
-       if (!print_access_check(p->server_info, snum, PRINTER_ACCESS_ADMINISTER)) {
+       if (!print_access_check(p->server_info, p->msg_ctx, snum,
+                               PRINTER_ACCESS_ADMINISTER)) {
                return WERR_ACCESS_DENIED;
        }
 
@@ -7289,12 +7456,14 @@ static WERROR spoolss_addprinterex_level_2(struct pipes_struct *p,
 
        update_dsspooler(p->mem_ctx,
                         p->server_info,
+                        p->msg_ctx,
                         0,
                         info2,
                         NULL);
 
        err = winreg_update_printer(p->mem_ctx,
                                    p->server_info,
+                                   p->msg_ctx,
                                    info2->sharename,
                                    info2_mask,
                                    info2,
@@ -7418,7 +7587,7 @@ WERROR _spoolss_AddPrinterDriverEx(struct pipes_struct *p,
                goto done;
        }
 
-       err = winreg_add_driver(p->mem_ctx, p->server_info,
+       err = winreg_add_driver(p->mem_ctx, p->server_info, p->msg_ctx,
                                 r->in.info_ctr, &driver_name, &version);
        if (!W_ERROR_IS_OK(err)) {
                goto done;
@@ -7431,7 +7600,7 @@ WERROR _spoolss_AddPrinterDriverEx(struct pipes_struct *p,
         * to update each printer bound to this driver.   --jerry
         */
 
-       if (!srv_spoolss_drv_upgrade_printer(driver_name)) {
+       if (!srv_spoolss_drv_upgrade_printer(driver_name, p->msg_ctx)) {
                DEBUG(0,("%s: Failed to send message about upgrading driver [%s]!\n",
                        fn, driver_name));
        }
@@ -7856,7 +8025,8 @@ WERROR _spoolss_AddForm(struct pipes_struct *p,
                return WERR_INVALID_PARAM;
        }
 
-       status = winreg_printer_addform1(p->mem_ctx, p->server_info, form);
+       status = winreg_printer_addform1(p->mem_ctx, p->server_info,
+                                        p->msg_ctx, form);
        if (!W_ERROR_IS_OK(status)) {
                return status;
        }
@@ -7871,6 +8041,7 @@ WERROR _spoolss_AddForm(struct pipes_struct *p,
 
                status = winreg_printer_update_changeid(p->mem_ctx,
                                                        p->server_info,
+                                                       p->msg_ctx,
                                                        lp_const_servicename(snum));
                if (!W_ERROR_IS_OK(status)) {
                        return status;
@@ -7914,6 +8085,7 @@ WERROR _spoolss_DeleteForm(struct pipes_struct *p,
 
        status = winreg_printer_deleteform1(p->mem_ctx,
                                            p->server_info,
+                                           p->msg_ctx,
                                            form_name);
        if (!W_ERROR_IS_OK(status)) {
                return status;
@@ -7929,6 +8101,7 @@ WERROR _spoolss_DeleteForm(struct pipes_struct *p,
 
                status = winreg_printer_update_changeid(p->mem_ctx,
                                                        p->server_info,
+                                                       p->msg_ctx,
                                                        lp_const_servicename(snum));
                if (!W_ERROR_IS_OK(status)) {
                        return status;
@@ -7977,6 +8150,7 @@ WERROR _spoolss_SetForm(struct pipes_struct *p,
 
        status = winreg_printer_setform1(p->mem_ctx,
                                         p->server_info,
+                                        p->msg_ctx,
                                         form_name,
                                         form);
        if (!W_ERROR_IS_OK(status)) {
@@ -7993,6 +8167,7 @@ WERROR _spoolss_SetForm(struct pipes_struct *p,
 
                status = winreg_printer_update_changeid(p->mem_ctx,
                                                        p->server_info,
+                                                       p->msg_ctx,
                                                        lp_const_servicename(snum));
                if (!W_ERROR_IS_OK(status)) {
                        return status;
@@ -8475,13 +8650,13 @@ WERROR _spoolss_GetJob(struct pipes_struct *p,
                return WERR_BADFID;
        }
 
-       result = winreg_get_printer(p->mem_ctx, p->server_info, NULL,
-                                   lp_servicename(snum), &pinfo2);
+       result = winreg_get_printer(p->mem_ctx, p->server_info, p->msg_ctx,
+                                   NULL, lp_servicename(snum), &pinfo2);
        if (!W_ERROR_IS_OK(result)) {
                return result;
        }
 
-       count = print_queue_status(snum, &queue, &prt_status);
+       count = print_queue_status(p->msg_ctx, snum, &queue, &prt_status);
 
        DEBUGADD(4,("count:[%d], prt_status:[%d], [%s]\n",
                     count, prt_status.status, prt_status.message));
@@ -8601,6 +8776,7 @@ WERROR _spoolss_GetPrinterDataEx(struct pipes_struct *p,
 
                        result = winreg_printer_get_changeid(p->mem_ctx,
                                                             p->server_info,
+                                                            p->msg_ctx,
                                                             printer,
                                                             &changeid);
                        if (!W_ERROR_IS_OK(result)) {
@@ -8615,6 +8791,7 @@ WERROR _spoolss_GetPrinterDataEx(struct pipes_struct *p,
 
        result = winreg_get_printer_dataex(p->mem_ctx,
                                           p->server_info,
+                                          p->msg_ctx,
                                           printer,
                                           r->in.key_name,
                                           r->in.value_name,
@@ -8687,7 +8864,7 @@ WERROR _spoolss_SetPrinterDataEx(struct pipes_struct *p,
                return WERR_ACCESS_DENIED;
        }
 
-       result = winreg_get_printer(Printer, p->server_info,
+       result = winreg_get_printer(Printer, p->server_info, p->msg_ctx,
                                    Printer->servername,
                                    lp_servicename(snum),
                                    &pinfo2);
@@ -8707,6 +8884,7 @@ WERROR _spoolss_SetPrinterDataEx(struct pipes_struct *p,
 
        result = winreg_set_printer_dataex(p->mem_ctx,
                                           p->server_info,
+                                          p->msg_ctx,
                                           pinfo2->sharename,
                                           r->in.key_name,
                                           r->in.value_name,
@@ -8732,6 +8910,7 @@ WERROR _spoolss_SetPrinterDataEx(struct pipes_struct *p,
                         */
                        winreg_set_printer_dataex(p->mem_ctx,
                                                  p->server_info,
+                                                 p->msg_ctx,
                                                  pinfo2->sharename,
                                                  str,
                                                  r->in.value_name,
@@ -8742,6 +8921,7 @@ WERROR _spoolss_SetPrinterDataEx(struct pipes_struct *p,
 
                result = winreg_printer_update_changeid(p->mem_ctx,
                                                        p->server_info,
+                                                       p->msg_ctx,
                                                        lp_const_servicename(snum));
 
        }
@@ -8789,12 +8969,14 @@ WERROR _spoolss_DeletePrinterDataEx(struct pipes_struct *p,
 
        status = winreg_delete_printer_dataex(p->mem_ctx,
                                              p->server_info,
+                                             p->msg_ctx,
                                              printer,
                                              r->in.key_name,
                                              r->in.value_name);
        if (W_ERROR_IS_OK(status)) {
                status = winreg_printer_update_changeid(p->mem_ctx,
                                                        p->server_info,
+                                                       p->msg_ctx,
                                                        printer);
        }
 
@@ -8829,6 +9011,7 @@ WERROR _spoolss_EnumPrinterKey(struct pipes_struct *p,
 
        result = winreg_enum_printer_key(p->mem_ctx,
                                         p->server_info,
+                                        p->msg_ctx,
                                         lp_const_servicename(snum),
                                         r->in.key_name,
                                         &num_keys,
@@ -8902,11 +9085,13 @@ WERROR _spoolss_DeletePrinterKey(struct pipes_struct *p,
        /* delete the key and all subkeys */
        status = winreg_delete_printer_key(p->mem_ctx,
                                           p->server_info,
+                                          p->msg_ctx,
                                           printer,
                                           r->in.key_name);
        if (W_ERROR_IS_OK(status)) {
                status = winreg_printer_update_changeid(p->mem_ctx,
                                                        p->server_info,
+                                                       p->msg_ctx,
                                                        printer);
        }
 
@@ -8957,6 +9142,7 @@ WERROR _spoolss_EnumPrinterDataEx(struct pipes_struct *p,
        /* now look for a match on the key name */
        result = winreg_enum_printer_dataex(p->mem_ctx,
                                            p->server_info,
+                                           p->msg_ctx,
                                            lp_const_servicename(snum),
                                            r->in.key_name,
                                            &count,